NOTICE: CyberSky sales have stopped!

Due to my CyberSky astronomy software generating low revenue over the last year, Digital River MyCommerce, the company that has handled online sales and fulfillment for me for many years, has terminating my account.

The software business has changed dramatically since I first released CyberSky as shareware, a term I don’t think is used any more. I took the termination of my account as a sign I should retire, and have stopped sales of the program, effective May 3, 2024.

Thank you for your support, for sending me bug reports and a lot of suggestions to help me make CyberSky better, and especially for the many kind words you’ve sent me about my software over nearly three decades.

 

Overview

CyberSky is an accurate, yet easy-to-use planetarium program that provides an excellent way to learn about astronomy and explore the sky visible in the distant past, the present, and the far-off future. CyberSky can display and print attractive, highly-customizable maps of the sky as seen from your home, your favorite vacation spot, or any other location on the Earth. The program’s clean, user-friendly interface makes it easy to identify the objects you see in the sky and find the objects you want to see.

Area Around Antares
Area Around Antares
The area of the sky around Antares, the brightest star in the constellation Scorpius.

CyberSky has a versatile animation feature that lets you watch astronomical events unfold at whatever pace you desire. This feature is not only a lot of fun, it makes the program very well-suited for astronomy education. Many of the most basic and interesting astronomical phenomena can only be seen over weeks, months, or even years, or by observing the sky from widely separated locations on the Earth. CyberSky lets you do this—it places the sky under your control.

CyberSky is used by people all over the world who want to become familiar with the objects they see in the sky, by amateur and professional astronomers who need a straightforward, uncluttered planetarium program, by parents who want to share their interest in astronomy with their children, and by educators who want to empower their students to learn in a way unimagined a generation ago. CyberSky has something to offer you, regardless of your level of astronomy knowledge.

Features

CyberSky lets you do all of the following, and much more.

System requirements

To use CyberSky, you need: